.logo>div {
    position: absolute;
    top: 20px;
    left: 200px;
    padding-left: 15px;
    border-left: 1px solid #c81023;
}
.nav {
    height: 47px;
    border-bottom: 2px solid #c81023;
    background-color: #fff;
}
.a {
    float: left;
}
.a h3 {
    float: left;
    height: 47px;
    font-size: 18px;
    padding: 0 25px;
    line-height: 47px;
}
.a h3 a {
    color: black;
}
.b {
    float: left;
}
.b p {
    float: left;
    height: 47px;
    font-size: 14px;
    padding: 0 20px;
    line-height: 47px;
}
.b p:nth-child(2) a{
    color: #c81023;
}
.b p a span {
    font-size: 12px;
    margin: 0 5px;
}
.product {
    margin-bottom: 20px;
}
.product ul li {
    float: left;
    width: 290px;
    height: 458px;
    margin-top: 2px;
    margin-left: 10px;
}
.product ul li:hover {
    border: 1px solid #c81023;
}
.product ul li img {
    width: 100%;
    height: 100%;
}